Question

Percent by mass of a solute (molar mass = 28 g) in its aqueous solution is 28. Calculate the mole fraction (X) and molality (m) of the solute in the solution.
(a) X = 0.2, m = 10
(b) X = 0.2, m = 125/9
(c) X = 0.8, m = 125/9
(d) X = 0.8, m = 10

Answer 1

a) is absolutely correct

Answer 2

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➡️Correct Option -: D

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